>> the largest search yet for missing student holly bobo. her brother the last person to see her said she was led away by a man wearing camoflauge. laura is here with the latest. >> 11 days of intense grueling searching efforts in thick tough terrain turned up no sign of the missing 20 year old. each day brings challenges as they work on new lead and reinterview community members while they go deeper in the woods where she was last seen with that man in camoflage. they are hoping that anyone who may have seen something unusual the day bobo, disappeared and didn't think of it at the time will come forward saying every tip